Wire · technology
Cisco Patches 12 SD-WAN and IOS XE Flaws, Including Three 9.8 CVSS Score Bugs
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Fusion42 · 30 August 2026 · Fusion42 review
Cisco has released patches for 12 critical security vulnerabilities in its Catalyst SD-WAN and IOS XE software, including three with the highest severity score of 9.9. The flaws were discovered during an internal security review enhanced by frontier AI models and are not currently exploited in the wild.
This Wire brief sits within Fusion42's coverage of Enterprise Software.
◆ ◆ The Wire takeaway
You must prioritise updating your Cisco Catalyst SD-WAN and IOS XE deployments now, or risk exposure to critical exploits silently identified through AI-powered internal testing. This is a rare early warning directly from Cisco that your network's security depends on immediate patch application.
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1 source · 6 Aug 2026
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